Pith Number

pith:6IUHKHUT

pith:2016:6IUHKHUTRMBPRA3ZQTOOHCL5D7

not attested not anchored not stored refs pending

Finite domination and Novikov homology over strongly Z-graded rings

Luke Steers, Thomas Huettemann

arxiv:1602.02573 v2 · 2016-02-08 · math.KT · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6IUHKHUTRMBPRA3ZQTOOHCL5D7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:05:24.321039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f228751e938b02f8837984dce3897d1feb3189ccf826e7475558f8009df6bb91

Aliases

arxiv: 1602.02573 · arxiv_version: 1602.02573v2 · doi: 10.48550/arxiv.1602.02573 · pith_short_12: 6IUHKHUTRMBP · pith_short_16: 6IUHKHUTRMBPRA3Z · pith_short_8: 6IUHKHUT

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/6IUHKHUTRMBPRA3ZQTOOHCL5D7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f228751e938b02f8837984dce3897d1feb3189ccf826e7475558f8009df6bb91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4a90f79722d8831a0131a977d2adb75e0244ff3061de904980e0f76c466cc48",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2016-02-08T14:09:32Z",
    "title_canon_sha256": "7cdfcaeb1036a15f8bc37852f39512aeae0a572673c63c64885c0cf8405a3372"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02573",
    "kind": "arxiv",
    "version": 2
  }
}